发明授权
US07910836B2 Multilayered printed circuit board, solder resist composition, and semiconductor device 有权
多层印刷电路板,阻焊剂组合物和半导体器件

Multilayered printed circuit board, solder resist composition, and semiconductor device
摘要:
The present invention is to provide a multilayered printed circuit board free from cracks attributed to thermal expansion difference between a solder resist layer and another part and a multilayered printed circuit board of the present invention comprises a conductor circuit and a resin insulating layer serially formed on a substrate in an alternate fashion and in repetition and a solder resist layer formed as an outermost layer, and the solder resist layer contains an inorganic filler.
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